12 Quart Bottle Capacity: Stores up to twelve quart bottles of oil or other fluids, keeping essentials organized and easy to access, Integrated Funnel Storage: Built-in funnel provision allows fluids to drain back into an empty bottle for cleaner, more efficient use, Lightweight Aluminum Build: Constructed from .090-inch thick aluminum for a strong yet lightweight shelf designed for long-term service, Universal Mounting Design: Mounts inside trailers, garages, or shops using 1/4-inch fasteners of your choice (hardware not included), Shop Organization Features: Includes bottom relief slots for hanging straps or accessories, helping keep workspaces neat and efficient.